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Planar common‐mode suppression network in balanced structures
Author(s) -
EscobarPeláez Johanny A.,
OlveraCervantes José L.,
CoronaChávez Alonso
Publication year - 2016
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.30075
Subject(s) - common mode signal , band pass filter , microwave , electronic circuit , planar , mode (computer interface) , topology (electrical circuits) , transmission line , electronic engineering , equivalent circuit , insertion loss , physics , transmission (telecommunications) , computer science , engineering , optoelectronics , electrical engineering , telecommunications , voltage , operating system , computer graphics (images) , analog signal
A novel common mode suppression network (CMSN) for balanced structures is presented. The structure is a symmetrical transmission line loaded with λ g /4 stubs, where λ g is the guided wave length at the frequencies to be suppressed. The CMSN is a circuit that can be independently designed to improve the common mode (CM) behavior of the attached circuits without degrading their differential mode (DM) performance. As an example, a balanced bandpass filter (BBPF) with an undesired 0dB CM peak is improved in more than 30 dB, whilst the DM bandpass is barely affected. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2466–2469, 2016
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